Made of a durable material which does not break if they are dropped. http://www.ikea.com/gb/en/images/products/snomys-piece-hanging-decoration-set-assorted-colours__0210241_PE363749_S4.JPGSNÖMYS 29-piece hanging decoration set, assorted colourshttp://www.ikea.com/gb/en/catalog/products/40253665/402.536.65IKEA£3.50